Flail blade mount for mowers

Abstract

A quickly detachable mounting link and its accompanying flail blades from sleeve lug mounts on a rotor drum. The link is U-shaped and has axially aligned oppositely disposed extensions at the upper end of the U. The depending portion of the U link is adapted to loosely carry the flail blades. One of the extensions is longer than the other and carries a coil spring therearound. The oppositely disposed extensions are adapted to slidably engage spaced apart, axially aligned sleeve lug mounts on the rotor drum. The coil spring in its normal extension keeps the mounting link in its sleeve mounts on the rotor drum. Quick detachment is accomplished by sliding the mounting link in a direction to compress the coil spring and effect removal of the short extension from its sleeve lug mount, whereupon the entire link may be removed from the rotor and the flail blades slid off the link over its short extension.

What is claimed is: 
     
       1. A releasable blade holder for a flail mower having a rotor drum comprising a first U-shaped sleeve lug welded to the surface of the rotor drum, a second U-shaped sleeve lug welded to the surface of the rotor drum in axial alignment with the first of said U-shaped sleeve lugs and with a certain spacing therebetween, a blade mounting link of rod material having a first long shank and a second short shank, said shanks in axial alignment and the overall length of the spaced apart shanks being greater than the certain space between the U-shaped sleeve lugs, said blade mounting link having a depending loop of U-shape between the spaced apart shanks, a blade having a portion with a hole therethrough, said blade hole being greater in size than the diameter of the link rod, said blade loosely received on said depending loop of the blade mounting link by passing the link rod through said blade hole, said long shank slidably received in one end of the first of said sleeve lugs, said short shank slidably received in the second of said sleeve lugs in the end thereof opposite the first sleeve lug, a collar fixed on said long shank at its inner end adjacent said depending loop, means restraining the removal of said blade mounting link from its engagement with the spaced apart U-shaped sleeve lugs, said means restraining including a coil spring mounted on said long shank having its one end abutting the fixed collar and its other end abutting the first of said sleeve lugs to normally urge said blade mounting link toward the second of said sleeve lugs, and upon compression of the coil spring by manually moving the blade mounting link toward greater engagement of the first of said sleeve lugs by the longer shank the shorter shank becomes disengaged from the second of said sleeve lugs permitting the blade mounting link to be rocked downwardly at that end causing the longer shank to swing up within the first of said U-shaped sleeve lugs for removal of the blade from the depending loop of the blade mounting link or full removal of the blade mounting link from the drum rotor by pulling the link out of the first U-shaped sleeve lug while it is in its rocked down position. 
     
     
       2. A device as set forth in claim 1 in which the means restraining the removal of the blade mounting link further includes a removable bolt passing through the first of said sleeve lugs at the location of the inner end of the long shank when the coil spring is extended to thereby prevent manual compression of the said coil spring.